Nombres
=========

Convert ints into french.

Some references:
- https://leconjugueur.lefigaro.fr/frlesnombres.php
- https://www.miakinen.net/vrac/nombres
- https://www.dcode.fr/ecriture-nombre-lettres


Provided as a 1-function library, and a basic command-line utility (`nbr` — will
certainly be renamed to something longer and less likely to name clash).